Historical clue formulations

• Arouses, as an appetite — 2026-08-25
• Stimulates, as an appetite — 2024-06-24
• Hones, as a blade — 2023-12-06
• Stimulates — 2023-12-03
• Gives an edge — 2022-09-23
• Hones — 2021-10-17
• Piques — 2019-02-08
• Sharpens — 2018-01-10
• Excites — 2016-08-11
• Sharpens — 2011-09-18
• Works on the edge — 2004-06-13
• Sharpens — 2003-05-12
• Puts an edge on — 2002-10-23
• Stimulates — 1999-06-01
• Stimulates — 1999-05-23
• Stimulates — 1999-01-19
• Sharpens — 1995-03-29
• Uses a strop — 1995-02-16
• Sharpens — 1994-02-13